diff --git a/packages/theme-chalk/src/tabs.scss b/packages/theme-chalk/src/tabs.scss
index 60607f18b0..b62233822c 100644
--- a/packages/theme-chalk/src/tabs.scss
+++ b/packages/theme-chalk/src/tabs.scss
@@ -24,7 +24,7 @@
     height: 18px;
     width: 18px;
     line-height: 18px;
-    margin: 12px 0 9px 10px;
+    margin: 10px;
     border-radius: 3px;
     text-align: center;
     font-size: 12px;